AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 37,951 Value ($000) $1,101 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 39,040 Value ($000) $935 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 38,732 Value ($000) $914 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 34,352 Value ($000) $625 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 26,490 Value ($000) $557 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 27,258 Value ($000) $879 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	37,951	$1,101	$25.56	$21.11 - $31.87
Q3 2025	39,040	$935	$24.35	$21.71 - $26.63
Q2 2025	38,732	$914	$20.90	$16.01 - $24.33
Q1 2025	34,352	$625	$20.37	$16.95 - $24.30
Q4 2024	26,490	$557	$25.85	$18.38 - $34.47
Q3 2024	27,258	$879	$28.49	$23.58 - $34.50